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//@ compile-flags: -O
#![crate_type = "lib"]
#![feature(core_intrinsics)]
use std::intrinsics::cold_path;
#[inline(never)]
#[no_mangle]
pub fn path_a() {
println!("path a");
}
#[inline(never)]
#[no_mangle]
pub fn path_b() {
println!("path b");
}
#[no_mangle]
pub fn test(x: Option<bool>) {
if let Some(_) = x {
path_a();
} else {
cold_path();
path_b();
}
// CHECK-LABEL: void @test(i8{{.+}}%x)
// CHECK: %[[IS_NONE:.+]] = icmp eq i8 %x, 2
// CHECK: br i1 %[[IS_NONE]], label %bb2, label %bb1, !prof ![[NUM:[0-9]+]]
// CHECK: bb1:
// CHECK: path_a
// CHECK: bb2:
// CHECK: path_b
}
// CHECK: ![[NUM]] = !{!"branch_weights", {{(!"expected", )?}}i32 1, i32 2000}
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